Provided are a hydraulic actuator, and an active suspension device for a vehicle having the same. According to one embodiment of the present invention, the hydraulic actuator comprises: a cylinder tube; a piston disposed inside the cylinder tube to be divided into a rod chamber and a piston chamber; a piston rod having an inner hollow portion to allow fluid to flow through the inside and the outside the cylinder tube; a first damping valve positioned in the rod chamber; and a second damping valve positioned in the piston chamber.
유압 액추에이터 및 이를 포함하는 차량용 액티브 서스펜션 장치를 제공한다. 본 발명의 일 실시예에 따른 유압 액추에이터는 실린더 튜브; 실린더 튜브 내부에 배치되어 로드측실과 피스톤측실로 구획하는 피스톤; 실린더 튜브의 내부 및 외부로 유체가 흐를 수 있도록 내부에 중공부가 형성된 피스톤 로드; 로드측실에 위치된 제 1감쇠밸브; 및 피스톤측실에 위치된 제 2감쇠밸브;를 포함할 수 있다.
HYDRAULIC ACTUATOR AND ACTIVE SUSPENSION APPARATUS FOR VEHICLE HAVING THE SAME
유압 액추에이터 및 이를 포함하는 차량용 액티브 서스펜션 장치
2017-12-28
Patent
Electronic Resource
Korean
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